George is interested in insects and wants to do an experiment. which of the following is a scientific question about insects that he could investigate with an experiment?   a.  do ants feel anxiety?   b.  why are there so many different kinds of insects in the world?   c.  are ladybugs prettier than beetles?   d.  do different food types affect the growth rate of beetles?  

D. Do different food types affect the growth rate of beetles?

Explanation:

A scientific question can be define as the question that can be answered using the scientific methodology. The scientific methodology is based on the series of steps like making observation based on the question, composing the hypothesis, testing the hypothesis by using the experimentation process, concluding the results.

D is the correct option. This is because of the fact that growth rate of the beetles can be examined on the basis of different food types.